Tonklevskyi РГ. Impact of Zirconia Crowns and the Vertiprep Technique on Periodontal Tissues in Patients with Periodontitis. stomatology [Internet]. 2025 Sep. 8 [cited 2026 Jul. 11];(4):59-63. Available from: https://dentalexpert.com.ua/index.php/stomatology/article/view/759